Tests of proportional hazards and proportional odds models for grouped survival data
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Data
2000-12-01
Autores
Colosimo, E. A.
Chalita, LVAS
Demetrio, CGB
Título da Revista
ISSN da Revista
Título de Volume
Editor
International Biometric Soc
Resumo
In this paper, we derive score test statistics to discriminate between proportional hazards and proportional odds models for grouped survival data. These models are embedded within a power family transformation in order to obtain the score tests. In simple cases, some small-sample results are obtained for the score statistics using Monte Carlo simulations. Score statistics have distributions well approximated by the chi-squared distribution. Real examples illustrate the proposed tests.
Descrição
Palavras-chave
Aranda-Ordaz family, interval censoring, maximum likelihood estimate, regression discrete models, score test
Como citar
Biometrics. Washington: International Biometric Soc, v. 56, n. 4, p. 1233-1240, 2000.